Finding the Third Proportional to 2,918,580 and 4,662,426

Step by Step Solution

1. Step 1: Write the proportion equation
   2,918,580 : 4,662,426 = 4,662,426 : x
2. Step 2: Convert to fraction form
   2,918,580/4,662,426 = 4,662,426/x
3. Step 3: Cross multiply
   2,918,580x = 4,662,426 × 4,662,426
4. Step 4: Simplify right side
   2,918,580x = 21,738,216,205,476
5. Step 5: Solve for x
   x = 21,738,216,205,476/2,918,580
6. Step 6: Final answer
   x = 7,448,216.67